NPPES file of Aug 9, 2026

Internal Medicine Physician in Arizona

2,853 NPPES records list internal medicine physician with a practice address in Arizona, 38 per 100,000 residents, the 27th highest rate of 51. Phoenix and Tucson have the most; each record links to the provider's NPI and the Arizona license search. Page 56 of 58.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Phoenix has the most, 695

  1. Phoenix695
  2. Tucson651
  3. Scottsdale344
  4. Mesa157
  5. Chandler93

Internal Medicine Physician records in Arizona

  1. Laura Willingmyre, MDTucson, AZ 857121699856534
  2. Matthew Willis, MDFort Defiance, AZ 865041487733036
  3. Charlton Wilson, MDPhoenix, AZ 850161467542720
  4. Christian Wilson, MD, MBAKingman, AZ 864091821331893
  5. David WilsonCottonwood, AZ 863261538557210
  6. Scott Wilson, MDTucson, AZ 857451740374487
  7. Hninyee Win, DOTucson, AZ 857241588154892
  8. Elizabeth Windgassen, M.D.Scottsdale, AZ 852591619951779
  9. Robert Windisch, MDPhoenix, AZ 850201447819214
  10. Gene Winfield, D.O.Tempe, AZ 852821548258122
  11. Alexis Winfrey, MDScottsdale, AZ 852591275336521
  12. Steven WinitskyScottsdale, AZ 852621730852823
  13. Stephen Winograd, M.D.Phoenix, AZ 850151760463343
  14. Jennifer Winthers, DOTempe, AZ 852811568895415
  15. Robert Wiruth, D.O.Tucson, AZ 857151194987651
  16. David Wisinger, MDPhoenix, AZ 850081972546331
  17. Anthony WittenTucson, AZ 857241487032389
  18. Rise-Ann Wohl, MDTucson, AZ 857181013993245
  19. Ewelina Wojtaszek, MDMesa, AZ 852021548720741
  20. Piotr Wolczynski, MDTucson, AZ 857151013407832
  21. Fisseha Woldemariam, MDTucson, AZ 857151861569246
  22. Carol Wolfe, M.D.Tucson, AZ 857121831151349
  23. Arthur Wolff, MDTucson, AZ 857451740465806
  24. Andrew Wolffe, M.D.Nogales, AZ 856211801852751
  25. Mark Wolfson, M.D.Tucson, AZ 857121730140955
  26. Richard Wolfson, M.D.Sun City, AZ 853511497712475
  27. Alvin Wong, D.O.Scootsdale, AZ 852541033105143
  28. Cody Wong, DOPhoenix, AZ 850271568083970
  29. Dorothy Wong, MDYuma, AZ 853641356315865
  30. Lena Wong, M.D.Tuba City, AZ 860451013206796
  31. Mark Wong, MDPhoenix, AZ 850061821054081
  32. Ryan Wood, D.O.Anthem, AZ 850861558358994
  33. Terry Woodbeck, MDAvondale, AZ 853921891706875
  34. Gillian Woodruff, MDParker, AZ 853441598394496
  35. Alexis Woods, MDPhoenix, AZ 850481043201486
  36. Donna WoodsTucson, AZ 857121811072051
  37. Steven Wool, MDTucson, AZ 857121780789800
  38. Christopher Worrell, MDScottsdale, AZ 852591013777291
  39. Robert Wright, M.D.Scottsdale, AZ 852581790148104
  40. Thomas Wrona, M.D.Lake Havasu City, AZ 864031487656880
  41. Jianwen Wu, M.D.Chandler, AZ 852241154381218
  42. Mark WyantSurprise, AZ 853741932035177
  43. Kaying Xiong, MDPhoenix, AZ 850061073875522
  44. Chanchal Yadav, MDPhoenix, AZ 850321093900052
  45. Tanushree Yadwadkar, M.D.Tucson, AZ 857181871884288
  46. Maty Yakoby, MDPhoenix, AZ 850221780065250
  47. Sunitha Yalamanchili, M.D.Sacaton, AZ 851471902893845
  48. James Yanes, M.D,Tucson, AZ 857371730372251
  49. Chia Yang, M.D.Phoenix, AZ 850131508026170
  50. Fayz Yar Khan, M.D.Phoenix, AZ 850281043476096

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Arizona ranks 27 of 51 per resident

  1. Nebraska41
  2. Washington39
  3. Nevada38
  4. Arizona38
  5. Louisiana38
  6. North Carolina37
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

75.2% of these records appear in a Medicare file, against 78.7% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Arizona75.2%
  2. United States78.7%

Internal Medicine Physician records in Arizona, measured

  • In a Medicare file2,145 of 2,853 · 75.2% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file1,645 · 57.7% here, 61.4% nationally
  • Not updated in five years or more1,449 · 50.8% here, 55.4% nationally
  • Median graduation year2003 · the 1,643 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,853 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Arizona: 38 per 100,000 residents against 44 nationally (50 states and D.C.). Phoenix has 695 of them (24%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Minnesota2,632
  2. Washington3,079
  3. Connecticut2,623
  4. Missouri2,604

States with a similar rate per 100,000

  1. Nevada38.5
  2. Louisiana38.2
  3. North Carolina37.4
  4. Tennessee36.4

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.